package cn.tm.liu.mode.builder.demo1;

/**
 * @author Marvin.L
 * @description
 * @date 2022.04.09 11.25
 */
public class DellBook extends Computer {
    @Override
    public Computer setOs() {
        os = "Win 10 1920";
        return this;
    }

    protected DellBook() {
    }
}
